Update copyright year on CI run (#8)

Author: jerone

.github/workflows/ci.yml

@@ -38,3 +38,18 @@ jobs:
           cache: "npm"
       - run: npm ci --no-fund
       - run: npm run test
+
+  copyright:
+    if: ${{ github.ref == 'refs/heads/master' }}
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - uses: FantasticFiasco/action-update-license-year@v2
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Merge PR
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: gh pr merge --merge --delete-branch